■ noun
1》 an organ of soft nervous tissue contained in the skull, functioning as the coordinating centre of sensation and intellectual and nervous activity.
↘( ~s ) the substance of an animal's ~ used as food.
2》 intellectual capacity.
3》 ( the ~s ) informal a clever person who is the main organizer within a group.
■ verb informal hit hard on the head with an object.
Phrases
have something on the ~ informal be obsessed with something.
Derivatives
-~ed adjective
Origin
OE brægen , of W. Gmc origin.